Finding the Fourth Proportional to 10,861,851.06, 14,987,688.21 and 6,277,287.06
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Solution
The fourth proportional to 10,861,851.06, 14,987,688.21 and 6,277,287.06 is: 8,661,693.18
Step by Step Solution
- Step 1: Write the proportion equation
10,861,851.06 : 14,987,688.21 = 6,277,287.06 : x - Step 2: Convert to fraction form
10,861,851.06/14,987,688.21 = 6,277,287.06/x - Step 3: Cross multiply
10,861,851.06x = 14,987,688.21 × 6,277,287.06 - Step 4: Simplify right side
10,861,851.06x = 94,082,021,259,947.56 - Step 5: Solve for x
x = 94,082,021,259,947.56/10,861,851.06 - Step 6: Final answer
x = 8,661,693.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.